A legion is a military unit that was once utilized by who?

In modern times the term legion has been applied to a corps of foreign volunteers or mercenaries, such as the French provincial legions of Francis I and the second-line formations of Napoleon. “Foreign legion” often signifies the irregular corps of foreign volunteers raised by states at war.

Explanation:

the question deals with financial planning and the answer is that dan did not stay on budget due to the fact that this guy needs to start decreasing his discretionary spending. according to the financial plan, he needed to balance his expenses and resources.